Comparison between the Polar watch נועה רפאלי באר 18-1


 Comparison between the Polar watch (Polar RS800XS) and the Holter ECG (Electrocardiogram)

monitor for measuring heart-rate variability (HRV)--Validation of the Polarwatch.

Noa Raphaely Beer,Yulia Feeman, Shlomit Edri Sharvit



Introduction: Heart rate and Heart Rate Variability (HRV) are common measures in evaluating the functioning of the autonomic cardiac control system. Low HRV Values are markers for disease states and they highlight the risk of mortality from cardiovascular and neurological diseases. The purpose of this study is to examine the correlation between indexes of heart rate and various HRV measures, obtained using a Polar watch and a Holter – ECG monitor. The primary examination was conducted among healthy young adults.

Method:Participants included 20 healthy students;exclusion criteria included  previous or existing cardiac disease, hypertension, diabetes, or the ongoing use of medications that might affect heart rate. Instrumentsincluded a Holter Electrocardiogram (ECG) Monitor, and the Polar watch chest strap, Model RS800CX.Data processing was conductedusing SPSS software, version 13, presenting statistical significance tests for p<.05.

Results: The correlation between the values obtained from the devices was .98. The use ofHolter and Polar software to display different indices showed anaverage gap of 6milliseconds on the Standard Deviation of beat to beat difference(SDRR) index. Using the Root Mean Square of the Successive Differences (RMSSD)index revealed an average gap of 9.8 milliseconds between the two devices, with a strong positive and significant correlation (linear correlation 0.98, p<.01).

Discussion: The findings of this study support the ability of the Polar watch RS800CX model to display valid values, mean RR, and standard deviations of RR Index in a healthy and young population.

Keywords: Autonomic cardiac nervous system, HRV, Polar, Holter ECG

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